Overview
The MAX146AEAP+T is a 12-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This device combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, making it suitable for a variety of data acquisition applications. The MAX146AEAP+T operates from a single +2.7V to +3.6V supply and is known for its high conversion speed and low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 8 | |
| Supply Voltage | +2.7V to +3.6V | V |
| Sampling Rate | 133 kSPS | samples per second |
| Input Type | Single-ended, Differential | |
| Data Interface | SPI, QSPI, MICROWIRE | |
| Conversion Time | 6 µs (typical) | µs |
| Full-Power Bandwidth | 1.0 MHz | MHz |
| Operating Temperature Range | 0°C to +70°C (commercial), -40°C to +85°C (extended), -55°C to +125°C (military) | °C |
| Package Type | 20-pin SSOP |
Key Features
- Software configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices without external logic.
- Serial strobe output for direct connection to TMS320-family digital signal processors.
- Internal 2.5V reference voltage (MAX146) or external reference voltage option (MAX147).
- Reference-buffer amplifier with ±1.5% voltage-adjustment range.
- Hard-wired SHDN-bar pin and software-selectable power-down mode.
- Quick turn-on time and automatic shutdown at the end of a conversion to reduce power consumption.
Applications
- Data acquisition systems in industrial, medical, and automotive applications.
- Embedded systems requiring low power and high conversion speed.
- Measurement and control systems.
- Digital signal processing systems.
Q & A
- What is the resolution of the MAX146AEAP+T?
The MAX146AEAP+T has a 12-bit resolution.
- How many channels does the MAX146AEAP+T support?
The MAX146AEAP+T supports 8 channels.
- What is the operating supply voltage range for the MAX146AEAP+T?
The operating supply voltage range is +2.7V to +3.6V.
- What is the sampling rate of the MAX146AEAP+T?
The sampling rate is 133 kSPS.
- What types of input configurations are supported by the MAX146AEAP+T?
The device supports single-ended and differential input configurations.
- What serial interfaces are compatible with the MAX146AEAP+T?
The device is compatible with SPI, QSPI, and MICROWIRE interfaces.
- Does the MAX146AEAP+T have an internal reference voltage?
Yes, the MAX146AEAP+T has an internal 2.5V reference voltage.
- How does the power-down mode work in the MAX146AEAP+T?
The device can be programmed to automatically shut down at the end of a conversion, reducing power consumption.
- What is the typical conversion time for the MAX146AEAP+T?
The typical conversion time is 6 µs.
- In what package types is the MAX146AEAP+T available?
The device is available in a 20-pin SSOP package.
